/* ==========================================================================
   Supplemental Charges – Trip Order
   Premium, calm, healthcare / executive travel
   Swedish Healthcare inspired · Desktop-first
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

.root-placeholder {}

:root {
  --color-bg: #ffffff;
  --color-bg-subtle: #f7f8fa;
  --color-bg-card: #ffffff;
  --color-bg-card-selected: #f0f6f9;
  --color-text: #1a1d21;
  --color-text-muted: #5c6370;
  --color-border: #e2e5ea;
  --color-border-focus: #3d7a9a;
  --color-accent: #3d7a9a;
  --color-accent-hover: #2d5f78;
  --color-accent-muted: #e8f1f5;
  --color-error: #9e4a4a;
  --color-error-bg: #fdf2f2;
  --color-success: #2d6a4f;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-size-base: 16px;
  --line-height: 1.5;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3.5rem;
  --radius: 8px;
  --radius-sm: 6px;
  --max-width: 800px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-summary: 0 2px 8px rgba(0, 0, 0, 0.06);
}

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg-subtle);
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
}

/* --------------------------------------------------------------------------
   Header & footer
   -------------------------------------------------------------------------- */
.header {
  padding: var(--space-xl) var(--space-xl);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-logo {
  height: 40px;
  width: auto;
  display: block;
}

.header-text {
  display: flex;
  flex-direction: column;
}

.header h1 {
  margin: 0 0 var(--space-xs);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.subtitle {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.footer {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer p {
  margin: 0;
}

.footer p + p {
  margin-top: var(--space-sm);
}

.footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Cards (shared)
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-card);
}

.card:last-of-type {
  margin-bottom: 0;
}

.card-title {
  margin: 0 0 var(--space-lg);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.card-note {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Your details card
   -------------------------------------------------------------------------- */
.card-details .field {
  margin-bottom: var(--space-lg);
}

.card-details .field:last-of-type {
  margin-bottom: 0;
}

.card-details label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.required {
  color: var(--color-error);
}

.card-details input[type="text"],
.card-details input[type="email"] {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-family: inherit;
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card-details input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.card-details input::placeholder {
  color: var(--color-text-muted);
}

.card-details input.invalid {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.field-error {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-error);
  min-height: 1.25em;
}

/* --------------------------------------------------------------------------
   Optional charges: selectable cards
   -------------------------------------------------------------------------- */
.included-nights-global {
  margin: 0 0 var(--space-xl);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.option-card {
  margin-bottom: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.option-card:last-of-type {
  margin-bottom: 0;
}

.option-card:has(.option-checkbox:checked) {
  background: var(--color-bg-card-selected);
  border-color: var(--color-accent-muted);
}

.option-card-inner {
  display: block;
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  min-height: 2.75rem;
}

.option-checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.option-card-content {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: var(--space-xs) var(--space-lg);
  align-items: baseline;
}

.option-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.option-desc {
  grid-column: 1;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.option-price {
  grid-row: 1 / -1;
  grid-column: 2;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-align: right;
}

.option-price-unit {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* Date range inside option card – smooth appearance */
.option-date-range {
  padding: 0 var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: 0;
  margin-left: 0;
}

.option-card:has(.option-checkbox:checked) .option-date-range {
  padding-top: var(--space-lg);
}

.option-date-range label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.date-range-input {
  width: 100%;
  max-width: 280px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.date-range-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
}

/* Flatpickr: included nights subtle */
.flatpickr-calendar {
  font-family: var(--font-sans) !important;
}

.flatpickr-day.includedNight {
  background: var(--color-accent-muted) !important;
  color: var(--color-text) !important;
  border-color: transparent !important;
  font-weight: 500;
}

.flatpickr-day.includedNight:hover {
  background: var(--color-border) !important;
}

/* --------------------------------------------------------------------------
   Order summary (invoice-style, sticky on desktop)
   -------------------------------------------------------------------------- */
.card-summary {
  position: sticky;
  top: var(--space-xl);
  box-shadow: var(--shadow-summary);
}

.summary-content {
  margin-bottom: var(--space-md);
}

.summary-empty {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.summary-list.summary-invoice {
  margin: 0 0 var(--space-md);
  padding: 0;
  list-style: none;
}

.summary-list.summary-invoice li {
  font-size: 0.9375rem;
  padding: var(--space-sm) 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.summary-list.summary-invoice li:last-child {
  border-bottom: none;
}

.summary-list .nights {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.summary-total {
  margin: 0;
  font-weight: 600;
  font-size: 1.125rem;
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
  border-top: 2px solid var(--color-border);
  color: var(--color-text);
}

.summary-info {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.form-actions {
  margin-top: var(--space-2xl);
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  min-width: 12rem;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent-muted);
}

/* --------------------------------------------------------------------------
   Confirmation view
   -------------------------------------------------------------------------- */
.confirmation-section {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.confirmation-success-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-xl);
  border-radius: 50%;
  background: var(--color-accent-muted);
  position: relative;
}

.confirmation-success-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1rem;
  height: 0.5rem;
  margin-left: -0.6rem;
  margin-top: -0.35rem;
  border-left: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
  transform: rotate(-45deg);
}

.confirmation-title {
  margin: 0 0 var(--space-md);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.confirmation-message {
  margin: 0 0 var(--space-2xl);
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 28em;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */
[hidden] {
  display: none !important;
}

/* --------------------------------------------------------------------------
   Mobile responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .header {
    padding: var(--space-lg) var(--space-md);
  }

  .header-inner {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .header-brand {
    flex: 1;
    min-width: 0;
    gap: var(--space-md);
  }

  .site-logo {
    height: 32px;
  }

  .header-text {
    min-width: 0;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .subtitle {
    font-size: 0.8125rem;
  }

  .main {
    padding: var(--space-lg) var(--space-md);
  }

  .card {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
  }

  .card-title {
    font-size: 1rem;
    margin-bottom: var(--space-md);
  }

  .card-note,
  .included-nights-global {
    font-size: 0.8125rem;
  }

  .option-card-inner {
    padding: var(--space-md) var(--space-lg);
  }

  .option-card-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--space-xs);
  }

  .option-name {
    font-size: 0.9375rem;
  }

  .option-price {
    grid-row: auto;
    grid-column: 1;
    text-align: left;
    font-size: 1rem;
  }

  .option-price-unit {
    font-size: 0.75rem;
  }

  .option-date-range {
    padding: 0 var(--space-lg) var(--space-md);
  }

  .option-card:has(.option-checkbox:checked) .option-date-range {
    padding-top: var(--space-md);
  }

  .date-range-input {
    max-width: none;
  }

  .card-summary {
    position: static;
  }

  .form-actions {
    margin-top: var(--space-xl);
  }

  .btn {
    width: 100%;
    min-width: 0;
    padding: var(--space-lg);
  }

  .confirmation-section {
    padding: var(--space-2xl) 0;
  }

  .confirmation-success-icon {
    width: 3rem;
    height: 3rem;
  }

  .confirmation-success-icon::after {
    width: 0.75rem;
    height: 0.4rem;
    margin-left: -0.45rem;
    margin-top: -0.25rem;
  }

  .confirmation-title {
    font-size: 1.25rem;
  }

  .confirmation-message {
    font-size: 0.9375rem;
  }

  .footer {
    padding: var(--space-lg) var(--space-md);
    font-size: 0.8125rem;
  }
}

@media (max-width: 380px) {
  .header h1 {
    font-size: 1.1rem;
  }

  .option-card-inner {
    padding: var(--space-md);
  }

  .option-date-range {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}